G P Gupta. (1994). Management by Consciousness in 21st Century. Excel Books.
シカゴスタイル引用形G P Gupta. Management by Consciousness in 21st Century. New Delhi: Excel Books, 1994.
MLA引用形式G P Gupta. Management by Consciousness in 21st Century. Excel Books, 1994.
警告: この引用は必ずしも正確ではありません.